This specification covers vinyl composition floor tile with either smooth or embossed surfaces. Vinyl composition tile shall conform to the materials, color, pattern, wearing surface, size, thickness, and squareness indicated in this specification. The material shall be tested for indentation and impact. Performance requirements for vinyl composition tiles include deflection limit, dimensional stability, chemical resistance, and heat resistance. Basic chemicals for chemical resistance test include vinegar, alcohol, mineral oil, sodium hydroxide solution, household ammonia solution, household bleach, olive oil, kerosene, unleaded gasoline, and phenol.